Look around the dinner table tonight. You are very likely to break bread with one person who has a preexisting condition that, under the old rules, would have made it very difficult to secure health insurance coverage. Depending on the criteria used, as much as half of the non-elderly U.S. population has a preexisting condition. That amounts to as many as 133 million people—patients who should not be discriminated against in the health insurance marketplace. The ban on using preexisting conditions to deny coverage is one of the key health reforms that any replacement plan should maintain.

My latest at AMA Wire. The whole shebang.